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WO2010091675A2 - Éolienne pourvue de capteurs de surveillance - Google Patents

Éolienne pourvue de capteurs de surveillance Download PDF

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Publication number
WO2010091675A2
WO2010091675A2 PCT/DE2010/000171 DE2010000171W WO2010091675A2 WO 2010091675 A2 WO2010091675 A2 WO 2010091675A2 DE 2010000171 W DE2010000171 W DE 2010000171W WO 2010091675 A2 WO2010091675 A2 WO 2010091675A2
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
blade
inclinometer
wind turbine
signals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/DE2010/000171
Other languages
German (de)
English (en)
Other versions
WO2010091675A8 (fr
WO2010091675A3 (fr
Inventor
Edwin Becker
Johann Loesl
Marcel Kenzler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Prueftechnik Dieter Busch AG
Original Assignee
Prueftechnik Dieter Busch AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Prueftechnik Dieter Busch AG filed Critical Prueftechnik Dieter Busch AG
Priority to DK10723479.1T priority Critical patent/DK2396541T3/en
Priority to EP10723479.1A priority patent/EP2396541B1/fr
Priority to ES10723479.1T priority patent/ES2609330T3/es
Publication of WO2010091675A2 publication Critical patent/WO2010091675A2/fr
Publication of WO2010091675A3 publication Critical patent/WO2010091675A3/fr
Anticipated expiration legal-status Critical
Publication of WO2010091675A8 publication Critical patent/WO2010091675A8/fr
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/04—Automatic control; Regulation
    • F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0675—Rotors characterised by their construction elements of the blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/30—Commissioning, e.g. inspection, testing or final adjustment before releasing for production
    • F03D13/35—Balancing static or dynamic imbalances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0224—Adjusting blade pitch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/024—Adjusting aerodynamic properties of the blades of individual blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/028—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling wind motor output power
    • F03D7/0292—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling wind motor output power to reduce fatigue
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/17—Combinations of wind motors with apparatus storing energy storing energy in pressurised fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/28—Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/60—Fluid transfer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/80—Diagnostics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00—Control
    • F05B2270/80—Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges
    • F05B2270/821—Displacement measuring means, e.g. inductive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Definitions

  • the present invention relates to a wind turbine with a rotor and at least two blades.
  • Wind turbines typically include a rotor with a hub and three rotor blades mounted in horizontal alignment in a nacelle, one of which
  • Rotor driven generator houses and rotatably mounted on a tower.
  • the rotor blades are adjustably mounted on the rotor hub to control the angle of attack of each individual rotor blade separately. In the current research is even considered, too
  • Parts of the rotor blade to be adjusted separately.
  • the angle of attack also called pitch angle
  • the speed of the rotor can be controlled.
  • Wind turbines are fundamentally susceptible to vibration, in particular due to imbalances of the rotor.
  • the imbalances occurring essentially have the following causes: on the one hand, mass imbalances, in particular due to unequal rotor blade masses or unequal mass distributions in the individual rotor blade, hub unbalance, eccentricities of the complete rotor, ice accumulation on the rotor blades, water penetration into the interior of the rotor blades, and on the other aerodynamic imbalances, especially due Of blade angle errors, unequal Rotorblattprof ⁇ lformen, rotor blade damage, oblique flow of the rotor and location-based suggestions from the outside, eg turret buildup and the fact that wind speed usually depends on altitude above ground so that one and the same rotor blade is subject to different aerodynamic forces, depending on whether it is straight down or up.
  • a wind turbine in which sensor elements for determining mechanical loads of the rotor to the Rotor blades and are provided on the rotor shaft to adjust the rotor blades on the basis of the determined mechanical loads.
  • the sensors provided on the rotor shaft serve to detect pitching and yawing moments.
  • the rotor blades may be provided with ballast tanks for pumping water from a storage tank provided in the hub into the ballast tanks or discharging water from the ballast tanks into the storage tank to minimize any possible rotor imbalance by re-trimming. While the filling of the ballast tanks is also possible during operation, the rotor must be stopped in the appropriate position to discharge a ballast tank.
  • EP 1 674 724 A2 describes in general the monitoring of components of a wind turbine by means of various sensors, for example acceleration sensors, gyroscopes, proximity sensors and inclinometers, with reference to the monitoring of the rotor blades, the use of proximity sensors by means of which the bending the leaves should be detected.
  • WO 01/33075 A1 describes the load detection of strain gauges mounted on the rotor blades of a wind energy plant for the purpose of controlling the pitch adjustment of the blades.
  • WO 2006/012827 A1 describes the condition monitoring of the rotor blades of a wind energy plant during operation by means of structure-borne noise, motion sensors being arranged on the blades.
  • WO 2006/039903 Al it is described that the pitch adjustment of the rotor blades of a wind energy plant is to be effected as a function of the pressure difference between the blade front side and the blade rear side.
  • WO 2007/131489 Al the use of acceleration sensors on the rotor blades of a wind turbine for the purpose of controlling the pitch angle is described, wherein vibration measurements are performed.
  • Distance sensors can be arranged to the distance of the respective rotor blade to measure a predetermined point of the wind turbine and possibly issue a collision warning.
  • WO 2005/068834 A1 relates to a wind power plant in which the condition of the rotor blade is monitored by means of strain gauges and the position of the rotor blade is monitored by means of GPS.
  • strain gauges measure only locally in the structure of the rotor blade. This also applies to acceleration sensors or motion sensors.
  • each rotor blade with at least one at least biaxial inclinometer arrangement, by means of which the bending and / or rotation of the blade with respect to the longitudinal axis of the blade is determined, a meaningful condition assessment with regard to the operational condition
  • Deformations of the rotor blades is made possible. It is particularly advantageous that a reference to the direction of rotation or to the center of the earth is produced by means of inclinometers, i. it sets an absolute frame of reference, which improves the accuracy of the
  • Fig. 1 is a schematic example of a wind turbine according to the invention.
  • FIG. 1 shows a schematic example of a wind turbine according to the invention.
  • a rotor 10 with a hub 12 for three rotor blades (of which only two rotor blades 14A, 14B are shown in FIG. 1) is provided.
  • the rotor 10 is mounted in a horizontal orientation in a nacelle 16 which accommodates a generator 18 which is driven by the rotor shaft 20 via a gearbox 22.
  • the nacelle 16 is rotatably mounted on a tower 24 about a vertical axis.
  • the gondola also has a sensor 26 for the wind speed and the wind direction.
  • a sensor 28 for detecting the rotational speed of the rotor 10 is provided.
  • At least one at least biaxial inclinometer arrangement is provided in each rotor blade 14A, 14B (in the example, two inclinometer arrangements 30A, 31A or 30B, 3 IB are shown offset on each rotor blade in the longitudinal direction of the blade).
  • the bending of the rotor blade with respect to the longitudinal axis of the blade can be determined when the inclinometer assembly is arranged to detect a change in the inclination of the inclinometer assembly with respect to a plane perpendicular to the plane
  • Longitudinal axis of the blade is (in a two-axis inclinometer this corresponds to the plane which is spanned by the two Einklinometerachsen).
  • a rotation of the rotor blade with respect to the longitudinal axis of the blade can be detected if the inclinometer assembly is arranged so that it can detect a rotation of the inclinometer about the longitudinal axis of the rotor blade (the corresponding axis of the inclinometer must be parallel to the
  • the rotor blades 14Aj 14B are each adjustable by means of a blade adjustment 32 about its longitudinal axis with respect to the hub 12 in order to realize a pitch adjustment of the rotor blades 14A, 14B in the usual way.
  • each rotor blade 14A, 14B is individually adjusted.
  • each rotor blade 14A, 14B at least one liquid tank 34 is provided, which is connected via lines 36 to a manifold assembly 38.
  • the manifold assembly 38 communicates with a pump 40, which in turn is connected to a liquid reservoir 42.
  • the manifold assembly 38, the pump 40 and the liquid reservoir 42 are fixedly disposed in the hub 12 with respect to the hub 12 and rotate accordingly in the operation of the rotor 10 with.
  • a unit 44 is provided to the pump 40 and to control the manifold assembly 38.
  • the liquid may be
  • the signals from the speed sensor 28, the wind meter 26 and the inclinometer assemblies 30A, 31A, 30B, 31B are sent to the data processing unit 44.
  • the deflection and / or rotation of the blade with respect to the longitudinal axis of the blade is determined from the signals of the inclinometer arrangements for each blade, from which conclusions can be drawn regarding a mass imbalance and an aerodynamic imbalance of the respective rotor blade.
  • the signals of the inclinometer arrangements that have been processed or evaluated in this way can be used as a criterion for a safety shutdown of the wind turbine when predetermined limit values are exceeded.
  • the evaluation of the signals of the inclinometer arrangements can take place by means of time domain determination, frequency analysis, classification and / or event monitoring, wherein the classification can be carried out by means of a Rainflow counting algorithm.
  • the evaluated data or even the signals of the inclinometer arrangements in the original form or in a preprocessed intermediate form can be accessed online via a
  • Diagnosis point 50 are transmitted to assess the condition of the wind turbine.
  • the data transfer is preferably carried out via the Internet and can, for example, from the
  • Diagnosis point 50 can be actively requested or occurs automatically at intervals by e-mail.
  • the diagnosis site 50 comprises a data processing unit 52 for
  • the unit 44 preferably has an input for the blade adjustment 32 and an input for the wind sensor 26. From the determined by means of the signals of the inclinometer arrays rotor imbalance or sheet deformation, possibly taking into account the blade adjustment 32 and the signals of the wind sensor 26, which generates Control means 44, a control signal for the fluid transfer assembly formed by the pump 40 and the manifold 38 to selectively transfer liquid between the liquid reservoir 42 and the liquid tank 34 in response to the detected unbalance to continuously minimize the imbalance of the rotor 10.
  • the blade adjustment 32 takes into account as input signals, inter alia, the signals of the wind sensor 26 and the rotational speed sensor 28 and an output signal of the control unit 44, which is representative of the detected rotor imbalance or deformation of the respective blade. In this way, the blade adjustment 32 of the speed control and can also assist in the compensation of imbalances of the rotor 10. In this case, a smoothing of the dynamics of the blade adjustment is made possible by the described pumping of liquid into or out of the tanks 34.
  • the electrical supply to the co-rotating pump 40 is preferably via a slip ring (not shown).
  • the supply / discharge line 36 is respectively connected to the rotor hub 12 far end of the tank 34, whereby when rotating the rotor 10 not only the possibility of liquid supply to the tanks 34, but also the Possibility of liquid removal from the tanks 34 is ensured at all times, because due to the centrifugal force always liquid at the rotor hub 12 far end of the tank 34 is present, even if the tank 34 contains little liquid and air is in the system.
  • the tank 34 may be formed with rigid walls or bag-like with flexible walls.
  • one single tank 34 or even several such tanks can be provided per rotor blade 14A, 14B.
  • a single storage reservoir 42 a plurality of such reservoirs may also be provided.
  • a pump 40 provided in common for all tanks 34
  • a separate fluid pump may also be provided, for example for each of the rotor blades 14A, 14B or for each of the tanks 34.
  • the manifold assembly 38 may take the form of a block, as shown in FIG. be realized as a three-way valve, also by separately controlled valves in each of the supply lines / leads 36.
  • the signals from the inldinometer arrays may also be used to monitor pitch 32. Conversely, as already mentioned, the signals of the inldinometer arrangements can be taken into account in the pitch control 32.
  • the hub main bearing (not shown) may further comprise an imbalance sensor in the form of a
  • Vibration sensor 56 may be provided to detect an imbalance of the rotor 10 during operation.
  • the signals of the unbalance sensor 56 are also in the

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)

Abstract

L'invention concerne une éolienne comprenant un rotor (10) avec au moins deux pales (14A, 14B) qui sont respectivement pourvues d'au moins un système d'inclinomètre (30A, 30B, 31A, 31B) à deux axes, et une unité d'évaluation (44, 50, 52) pour déterminer pour chaque pale en fonctionnement la flexion et/ou la torsion de la pale par rapport à l'axe longitudinal de la pale à partir des signaux des systèmes d'inclinomètre.
PCT/DE2010/000171 2009-02-16 2010-02-15 Éolienne pourvue de capteurs de surveillance Ceased WO2010091675A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK10723479.1T DK2396541T3 (en) 2009-02-16 2010-02-15 Wind energy systems with monitoring sensors.
EP10723479.1A EP2396541B1 (fr) 2009-02-16 2010-02-15 Éolienne pourvue de capteurs de surveillance
ES10723479.1T ES2609330T3 (es) 2009-02-16 2010-02-15 Aerogenerador con sensores de monitorización

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009009039A DE102009009039A1 (de) 2009-02-16 2009-02-16 Windenergieanlage mit Überwachungssensoren
DE102009009939.8 2009-02-16
DE102009009039.8 2009-02-16

Publications (3)

Publication Number Publication Date
WO2010091675A2 true WO2010091675A2 (fr) 2010-08-19
WO2010091675A3 WO2010091675A3 (fr) 2011-06-03
WO2010091675A8 WO2010091675A8 (fr) 2011-12-08

Family

ID=42338730

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2010/000171 Ceased WO2010091675A2 (fr) 2009-02-16 2010-02-15 Éolienne pourvue de capteurs de surveillance

Country Status (7)

Country Link
US (1) US8672625B2 (fr)
EP (1) EP2396541B1 (fr)
DE (1) DE102009009039A1 (fr)
DK (1) DK2396541T3 (fr)
ES (1) ES2609330T3 (fr)
PL (1) PL2396541T3 (fr)
WO (1) WO2010091675A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2479923A (en) * 2010-04-29 2011-11-02 Vestas Wind Sys As A method and system for detecting angular deflection in a wind turbine blade, or component, or between wind turbine components
WO2012007004A3 (fr) * 2010-07-14 2012-05-10 Vestas Wind Systems A/S Procédé et système de détection de givrage pour pales d'éoliennes
US9032807B2 (en) 2010-07-14 2015-05-19 Vestas Wind Systems A/S Method and system for monitoring bending strains of wind turbine blades

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US8131402B2 (en) * 2010-06-30 2012-03-06 General Electric Company System for detecting proximity between a wind turbine blade and a tower wall
US8035242B2 (en) * 2010-11-09 2011-10-11 General Electric Company Wind turbine farm and method of controlling at least one wind turbine
DE102010056033A1 (de) * 2010-12-27 2012-06-28 Baumer Innotec Ag Rotorblatt einer Windkraftanlage
ITRM20110010A1 (it) * 2011-01-13 2012-07-14 Francesco Marano Pala eolica a massa variabile
EP2565444B1 (fr) * 2011-08-31 2019-02-27 Wölfel Engineering GmbH + Co. KG Procédé et dispositif de surveillance d'état de pales de rotor
DE102011057175A1 (de) * 2011-12-30 2013-07-04 Prüftechnik Dieter Busch AG Verfahren zur Schwingungsmessung an Rotorblättern von Windenergieanlagen
WO2014023313A1 (fr) 2012-08-07 2014-02-13 Vestas Wind Systems A/S Système de sécurité de turbine éolienne flottante
US9765757B2 (en) 2013-11-22 2017-09-19 General Electric Company System and method for preventing rotor blade tower strike
US20150300324A1 (en) * 2014-04-18 2015-10-22 Ashish Bhimrao Kharkar Electromagnetic shielding of a strain gauge in a wind power installation
GB2527329B (en) * 2014-06-18 2018-09-12 Abu Al Rubb Khalil Turbine blade arrangement
CN106795857B (zh) * 2014-09-01 2020-04-10 维斯塔斯风力系统集团公司 改善风力涡轮机中的转子的平衡的方法及风力涡轮机系统
US9983087B2 (en) 2014-12-10 2018-05-29 General Electric Company Methods and systems to determine rotor imbalance
DE102015106366B4 (de) * 2015-04-24 2019-05-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zur Bestimmung einer Position von Fehlstellen oder Schädigungen an Rotorblättern einer Windkraftanlage in eingebautem Zustand
CN108425803B (zh) * 2018-03-15 2020-06-02 长沙理工大学 一种具有双能量转化系统的风力发电装置
US20200240393A1 (en) * 2018-08-25 2020-07-30 Samuel Messinger Wind turbine propeller regulator to produce uninterrupted electricity and longer bearing life
US10975842B2 (en) * 2018-08-25 2021-04-13 Samuel Messinger Wind turbine propeller regulator to produce uninterrupted electricity and longer bearing life
US11215164B2 (en) * 2018-08-25 2022-01-04 Samuel Messinger Wind turbine propeller regulator to produce uninterrupted electricity and longer bearing life
DE102018007953A1 (de) * 2018-10-09 2020-04-09 Senvion Gmbh Rotorblatt einer Windkraftanlage mit einer Teilchendämpfungseinrichtung und ein Herstellungsverfahren dafür
WO2021064243A1 (fr) 2019-10-03 2021-04-08 Syddansk Universitet Procédé et système de suivi de mouvement d'une pale
WO2022053117A1 (fr) * 2020-09-09 2022-03-17 Vestas Wind Systems A/S Pale d'éolienne

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19609042C2 (de) 1996-03-08 1998-10-15 Mannesmann Sachs Ag Schwungmassenanordnung mit einem Planetengetriebe
GB2319812A (en) * 1996-10-15 1998-06-03 Balfan Corp In-flight balancing of fan on turbofan jet engine
DE69919910T2 (de) * 1999-11-03 2005-09-08 Vestas Wind Systems A/S Methode zur regelung einer windkraftanlage sowie entsprechende windkraftanlage
DE10011393A1 (de) * 2000-03-09 2001-09-13 Tacke Windenergie Gmbh Regelungssystem für eine Windkraftanlage
DK174437B1 (da) * 2001-04-11 2003-03-03 Lm Glasfiber As Vindmøllevinge med svingningsdæmper
DE10219664A1 (de) 2002-04-19 2003-11-06 Enron Wind Gmbh Windenergieanlage, Regelanordnung für eine Windenergieanlage und Verfahren zum Betreiben einer Windenergieanlage
CA2426711C (fr) * 2002-05-02 2009-11-17 General Electric Company Centrale eolienne, mecanisme de commande de centrale eolienne et methode d'exploitation d'une centrale eolienne
US7246991B2 (en) * 2002-09-23 2007-07-24 John Vanden Bosche Wind turbine blade deflection control system
DK177602B1 (da) 2004-01-16 2013-11-18 Lm Wind Power As Overvågning af driften af et vindenergianlæg
DE102004014992A1 (de) 2004-03-26 2005-10-13 Hofmann Mess- Und Auswuchttechnik Gmbh & Co. Kg Auswuchtvorrichtung zur Kompensation der Unwucht von Rotoren von Windkraftanlagen
DE102005017054B4 (de) 2004-07-28 2012-01-05 Igus - Innovative Technische Systeme Gmbh Verfahren und Vorrichtung zur Überwachung des Zustandes von Rotorblättern an Windkraftanlagen
EP1797318A1 (fr) 2004-10-09 2007-06-20 Igus - Innovative Technische Systeme GmbH Procede et dispositif de commande de l'angle d'inclinaison des pales du rotor d'eoliennes
US7822560B2 (en) * 2004-12-23 2010-10-26 General Electric Company Methods and apparatuses for wind turbine fatigue load measurement and assessment
US7351033B2 (en) * 2005-09-09 2008-04-01 Mcnerney Gerald Wind turbine load control method
US7348683B2 (en) * 2005-11-17 2008-03-25 General Electric Company Rotor for a wind energy turbine
BRPI0711641A2 (pt) 2006-05-15 2012-01-17 Igus - Innovative Technische Systeme Gmbh processo e dsipositivo para o monitoramento do estado de pás do rotor em instalações de energia eólica
DE102006054667B4 (de) 2006-11-17 2011-02-17 Windcomp Gmbh Kollisionswarnsystem für eine Windenergieanlage
US7708524B2 (en) * 2006-12-21 2010-05-04 General Electric Company Method and system for utilizing lateral tower acceleration to detect asymmetric icing
DK200700647A (en) * 2007-04-30 2008-05-10 Lm Glasfiber As Measurement of geometric parameters for a wind turbine blade
DE202007008066U1 (de) * 2007-06-08 2008-10-23 Repower Systems Ag Vorrichtung zur Ausrichtung eines winkelverstellbaren Rotorblattes einer Windenergieanlage sowie Windenergieanlage
US7895018B2 (en) * 2007-08-10 2011-02-22 General Electric Company Event monitoring via combination of signals
US7944067B2 (en) * 2008-04-01 2011-05-17 General Electric Company System and method for reducing rotor loads in a wind turbine upon detection of blade-pitch failure and loss of counter-torque
WO2009121377A1 (fr) * 2008-04-01 2009-10-08 Structural Data, S.L. Système et procédure pour le contrôle en temps réel de structures rigides fixes ou mobiles telles que des structures de bâtiment, des avions, des bateaux et/ou analogues

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2479923A (en) * 2010-04-29 2011-11-02 Vestas Wind Sys As A method and system for detecting angular deflection in a wind turbine blade, or component, or between wind turbine components
WO2012007004A3 (fr) * 2010-07-14 2012-05-10 Vestas Wind Systems A/S Procédé et système de détection de givrage pour pales d'éoliennes
US9032807B2 (en) 2010-07-14 2015-05-19 Vestas Wind Systems A/S Method and system for monitoring bending strains of wind turbine blades
US9523354B2 (en) 2010-07-14 2016-12-20 Vestas Wind Systems A/S Ice detection method and system for wind turbine blades

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EP2396541B1 (fr) 2016-11-09
DK2396541T3 (en) 2017-02-20
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ES2609330T3 (es) 2017-04-19
DE102009009039A1 (de) 2010-08-19
US20100209247A1 (en) 2010-08-19
US8672625B2 (en) 2014-03-18
WO2010091675A8 (fr) 2011-12-08
WO2010091675A3 (fr) 2011-06-03

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